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Ideal for longer expeditions like ultra-trails, the SOFT FLASK 500 ml/ 17oz XA STD 42 filters bacteria and protozoa from natural water sources, so you can drink easily and safely without needing to carrying huge volumes of water. Shrinking as you...
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This product is no longer being manufactured or is not part of our offer anymore.
Ideal for longer expeditions like ultra-trails, the SOFT FLASK 500 ml/ 17oz XA STD 42 filters bacteria and protozoa from natural water sources, so you can drink easily and safely without needing to carrying huge volumes of water. Shrinking as you drink to limit water bounce, the flask lets you know exactly how much you have left. The 500 ml soft flask features a high-flow valve and wide 42 mm cap for easy refills and drinking.
Features:
Volume (liters): 0.5
Weight (grams): 52
Safe and reliable, 100% BPA & PVC free
Eliminates 99.99% protozoa, Cryptosporidium oocysts, and bacteria
Meets the US FDA Standard testing protocol
High-flow valve
Large 42mm opening makes it easy to fill with ice or energy mixes
TPU & RF welded seams for superior durability, abrasion resistant and elasticity
Filter included
Use to refill your bottles or hydration reservoir with clean water